Study of Triton Blowing a Conch Shell (recto); Partial Study of an Arm (verso) by Annibale Carracci https://www.rawpixel.com/image/14264155/image-paper-face-personFree Image from public domain license Plate 91: Ruby-crowned Kinglet, Golden-crowned Kinglet, Blue-gray Gnatcatcher by Allan Brooks https://www.rawpixel.com/image/8905479/image-watercolor-art-vintageFree Image from public domain licenseDesign for a Painted Porcelain Plate, Les Marrons (Chestnuts) for the Service des Objets de Dessert (Dessert Service) by… https://www.rawpixel.com/image/9064620/image-art-vintage-fireFree Image from public domain licenseFigures on Board Small Merchant Vessels by Willem van de Velde the Elder https://www.rawpixel.com/image/14248276/figures-board-small-merchant-vessels-willem-van-velde-the-elderFree Image from public domain license